48
Chapter 3
Electrical Interconnections
To make specific wiring connections to your bagger or conveyor system please refer to
the wiring diagram provided. The Burford
®
2000/2100 Series Electronic Servo Tyer is
nominally a 120VAC machine. If required, minimum service transformer size shall be
1.8KVA. A flexible conduit is provided to route Line, Neutral, and Ground into the Main
Enclosure. Included in this conduit are conductors for other bagger connections. The
following is a description of the other possible connections.
Bagger Enable Circuit (Safety Interlock)
The Servo Tyer provides a set of dry contacts that close when it is ready to tie packages.
The Bagger Enable relay is mounted on the Servo Tyer Field Termination Board (FTB).
The contacts can be accessed using wires 58 and 59 in the flexible conduit. These
contacts will open if a fault occurs in the Servo Tyer or if a safety circuit is opened. These
contacts should be wired in series with the bagger safety circuit to prevent the bagger
from running if the Servo Tyer is not threaded, the ribbon supply has been depleted, or
the Servo Tyer is not turned on.
12VDC
FROM FTB
TO
BAGGER
COIL IS
CONTROLLED
BY C.P.U.
BAGGER
ENABLE
RELAY
BAGGER
ENABLE
L.E.D. D15
CR4
CR2
39
22
23
58
59
J29
FU2
BAGGER ENABLE
-
+
BAGGER ENABLE CIRCUIT
FIELD TERMINATION BOARD
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